#include <stdio.h>
#include <string.h>

int main(int argc, const char *argv[])
{
  int value = 5;
  char buffer_one[8], buffer_two[8];

  strcpy(buffer_one, "one");
  strcpy(buffer_two, "two");

  printf("[BEFORE] buffer_two is at %p and contains \'%s\'\n", buffer_two, buffer_two);
  printf("[BEFORE] buffer_one is at %p and contains \'%s\'\n", buffer_one, buffer_one);
  printf("[BEFORE] value is at %p and is %d (0x%08x)\n", &value, value, value);

  printf("\n[STRCPY] copying %zu bytes into buffer_two\n\n", strlen(argv[1]));
  strcpy(buffer_two, argv[1]);

  printf("[AFTER] buffer_two is at %p and contains \'%s\'\n", buffer_two, buffer_two);
  printf("[AFTER] buffer_one is at %p and contains \'%s\'\n", buffer_one, buffer_one);
  printf("[AFTER] value is at %p and is %d (0x%08x)\n", &value, value, value);
  return 0;
}